Spas with reservation required

Afyonkarahisar

A hotel thermal spa in Afyonkarahisar offering day passes by reservation, open daily 8am to 11pm, suited to families and couples.

Rome, Lazio

An Ayurveda-focused treatment studio in Rome's Ostiense area, open weekday afternoons and Saturday mornings by appointment only.

Boston, Massachusetts

A moderately priced day spa in Boston's Chinatown open daily from 10am to 11pm, taking both walk-ins and reservations.

Scarborough

A boutique hillside hotel above Bacolet Bay in Scarborough, Tobago, with an infinity pool and ocean views, built around a converted 150-year-old Donkey Cart

Oak Creek, Wisconsin

A Oak Creek, WI massage clinic and day spa with adults-only access, listed hours only on Sunday, and a moderate price tier.

Djerba, Medenine

A day spa in Djerba Midun open daily 10am–8pm except Monday, welcoming both walk-ins and reservations.

Calistoga, California

Holistic Healing Day Spa is an adults-only day spa in Calistoga, California, accepting both walk-ins and reservations at a moderate price point.

Naples, Florida

A resort spa at the Hyatt Regency Coconut Point in Bonita Springs, open to hotel guests by reservation, with pool access on site.

Vail, Colorado

Adults-only day spa in Vail open Sundays, with both walk-ins and reservations accepted at its Frontage Road location.

Jackson Hole, Wyoming

A moderate-priced day spa in Jackson, Wyoming, set up for couples' visits, with reservations required and Sunday hours listed.

Seminyak, Bali

A moderately priced day spa on Jl. Raya Seminyak open daily 10am to 9pm, suited to solo visits or couples.

Orlando, Florida

A small day spa in Southeast Orlando offering organic treatments by appointment, with walk-ins accepted when slots are open.

Quiberon, Brittany

A small adults-only day spa in Saint-Pierre-Quiberon, open by reservation Mondays and Tuesdays, with treatments priced in the moderate range.

The Hamptons, New York

A moderately priced day spa in Southampton that takes both walk-ins and reservations, open daily from 10am.

Miami, Florida

A medical spa in Brickell, Miami, open Tuesday through Saturday with reservations recommended for adults-only treatments.

Krabi

A moderately priced onsen-style day spa in Ao Nang, Krabi, open daily from late morning into the night.

Philadelphia, Pennsylvania

A reservation-only day spa in Blue Bell, just outside Philadelphia, with moderate pricing and adults-only access.

Calistoga, California

MoonAcre Spa & Baths is a day spa in Calistoga with a thermal pool, hot tub and sauna, open daily 9am–5pm and geared toward families and couples.

Marrakech, Marrakesh-Safi

An adults-only destination spa and wellness retreat on the Ourika road outside Marrakech, currently taking names for a waitlist.

Napa Valley, California

A hotel spa at the Napa Valley Marriott Resort, open to hotel guests by reservation, geared toward couples and families.

Hot Springs, Arkansas

A moderate-priced day spa in downtown Hot Springs open daily 9am to 10pm, offering massage services to adults only.

Hot Springs, Arkansas

A moderate-priced day spa at 328 Central Ave in Hot Springs National Park, open Tuesday through Saturday with hours that vary by day.

Bartlett, Tennessee

An appointment-only luxury day spa in Bartlett Station, Memphis, with service packages priced up to several thousand dollars.

Pucón, Araucanía

Pangue SPA is an adults-only day spa in central Pucón, open daily 9am–9pm with moderate pricing and reservations advised.